Contained Files:

- replication_code_main.R: R script for replicating the main analysis comparing ChatGPT and human responses.
- replication_code_supplement.R: R script for replicating the supplemental analysis comparing GPT-4, GPT-4o, and OpenAI o3-mini.
- GPT_4_data.csv: Dataset from the ChatGPT survey using GPT 4.
- human_data.csv: Dataset from the human survey.
- GPT_4o_high_data.csv: Dataset from the additional survey using GPT 4o at a high-temperature setting.
- GPT_4o_low_data.csv: Dataset from the additional survey using GPT 4o at a low-temperature setting.
- OpenAI_o3mini_data.csv: Dataset from the additional survey using OpenAI o3-mini.
- census_data.csv: Data from Japan's 2020 national census, retrieved from e-Stat (https://www.e-stat.go.jp/dbview?sid=0003450546).
- codebook.pdf: Codebook for the ChatGPT and human survey datasets.

For any questions or concerns regarding these files, please contact the authors.